[PATCH] D125647: [ARM SEH 5] [MC] [Win64EH] Check that the SEH unwind opcodes match the actual instructions

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo created this revision.
mstorsjo added reviewers: efriedma, rnk, zzheng.
Herald added subscribers: hiraditya, kristof.beyls.
Herald added a project: All.
mstorsjo requested review of this revision.
Herald added a project: LLVM.

It's a fairly common issue that the generating code incorrectly marks
instructions as narrow or wide; check that the instruction lengths
add up to the expected value, and abort if it doesn't. This allows
catching code generation bugs.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125647

Files:
  llvm/include/llvm/MC/MCWinEH.h
  llvm/lib/MC/MCWin64EH.cpp
  llvm/lib/Target/ARM/MCTargetDesc/ARMWinCOFFStreamer.cpp

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